The Thunder Bay River is a river located in northeastern Michigan, flowing through the city of Thunder Bay. It is approximately 23 miles long and is known for its scenic beauty and recreational opportunities, including fishing, kayaking, and canoeing. The river eventually empties into Lake Huron, contributing to the Great Lakes ecosystem. The river's watershed supports diverse wildlife and plant species, making it an important natural resource for the region. The surrounding area features parks and trails, attracting outdoor enthusiasts and nature lovers. The Thunder Bay River plays a vital role in the local environment and economy, promoting tourism and outdoor activities.